28228635

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 50472960

約数和(自身を除く): 22244325

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 991, 1055, 1899, 2973, 3165, 4955, 5697, 8919, 9495, 14865, 26757, 28485, 44595, 133785, 209101, 627303, 1045505, 1881909, 3136515, 5645727, 9409545, 28228635]

約数ペア:

[(1, 28228635), (3, 9409545), (5, 5645727), (9, 3136515), (15, 1881909), (27, 1045505), (45, 627303), (135, 209101), (211, 133785), (633, 44595), (991, 28485), (1055, 26757), (1899, 14865), (2973, 9495), (3165, 8919), (4955, 5697)]